package j55;

import cn.hutool.core.thread.ThreadUtil;

/**
 * @author chengshuai
 * @date 2021/4/18 11:57
 */
public class DeadLockDemo {
    public static void main(String[] args) {
        String lockA = "lockA";
        String lockB = "lockB";
        new Thread(new HoldLockThread(lockA, lockB), "ThreadAAA").start();
        new Thread(new HoldLockThread(lockB, lockA), "ThreadBBB").start();
    }

}

class HoldLockThread implements Runnable {
    private String lockA;
    private String lockB;

    public HoldLockThread(String lockA, String lockB) {
        this.lockA = lockA;
        this.lockB = lockB;
    }

    @Override
    public void run() {
        synchronized (lockA) {
            System.out.println(Thread.currentThread().getName() + "\t 自己持有：" + lockA + "\t 尝试获得：" + lockB);
            ThreadUtil.sleep(2000);
            synchronized (lockB) {
                System.out.println(Thread.currentThread().getName() + "\t 自己持有：" + lockB + "\t 尝试获得：" + lockA);
            }
        }
    }
}
